Pith Number

pith:NDXH7ZKI

pith:2018:NDXH7ZKI5YX4ZD6WTEYMP746HN

not attested not anchored not stored refs pending

Unsupervised Learning of Shape Concepts - From Real-World Objects to Mental Simulation

Andreas Birk, Christian A. Mueller

arxiv:1811.08165 v1 · 2018-11-20 · cs.CV · cs.RO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NDXH7ZKI5YX4ZD6WTEYMP746HN}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:00:16.649056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68ee7fe548ee2fcc8fd69930c7ff9e3b6d9da8908b94b6ef7f2c73c0242ee81a

Aliases

arxiv: 1811.08165 · arxiv_version: 1811.08165v1 · doi: 10.48550/arxiv.1811.08165 · pith_short_12: NDXH7ZKI5YX4 · pith_short_16: NDXH7ZKI5YX4ZD6W · pith_short_8: NDXH7ZKI

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/NDXH7ZKI5YX4ZD6WTEYMP746HN \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 68ee7fe548ee2fcc8fd69930c7ff9e3b6d9da8908b94b6ef7f2c73c0242ee81a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57fe983b6c1243d5a1b1bdda2525d69ce6392d0e322f7536f1849d57c6fadedb",
    "cross_cats_sorted": [
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-11-20T10:21:06Z",
    "title_canon_sha256": "65bcdd43262fec0815fa4d6cdd1520c63d467709d4808b2e265e485550c63c02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.08165",
    "kind": "arxiv",
    "version": 1
  }
}